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	<title>SubBytes</title>
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	<h1>SubBytes</h1>
	<p>In this process, each byte of the state matrix is changed using Rijndael S-boxes. The S-box used is given by a mathematic function on the Galois field (2<sup>8</sup>), which is used because its non linear properties. Once the S-box to use is obtained, the byte transformation is given by its two hexadecimal digits, which are used as the row and the column of the S-box for locating the new value of the byte.<br><br>
	<img style="border-width: 0px;" src="resources/subbytes.png" width="350" height="182" />
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